Experimentation by Matthew Modoono December 12, 2017 Share Facebook LinkedIn Twitter Praveen Kolla, Postdoctoral Research Associate works in lab space in the Egan Engineering/Science Research Center on Dec. 11, 2017. Photo by Matthew Modoono/Northeastern University Praveen Kolla, postdoctoral research associate, performs research in the Egan Research Center on Monday. Photo by Matthew Modoono/Northeastern University